<php>
    /*可以加多个方法哟！*/
    if (!function_exists('_sp_helloworld')) {
    function _sp_helloworld(){
    echo "hello ThinkCMF!";
    }
    }

    if (!function_exists('_sp_helloworld2')) {
    function _sp_helloworld2(){
    echo "hello ThinkCMF2!";
    }
    }

    if (!function_exists('_sp_helloworld3')) {
    function _sp_helloworld3(){
    echo "hello ThinkCMF3!";
    }
    }
</php>